Millions of O2 Customers Face Urgent Deadline to Avoid £30 Annual Bill Increase Friday, November 21, 2025 o2 pricehike mobile contracts telecom data bill savings ofcom martinlewis Millions of O2 customers have just 24 hours left to avoid an annual £30 increase in their phone bills. The deadline to cancel contracts without penalty is Saturday, November 22, as O2 plans a price hike that will take effect … Read More